Features Appliance Monitoring: Equipped with 3 80A sensors, accurately monitor air conditioning, stoves, water heaters, washing machines, and dryers for efficient energy management. Energy Monitoring: Measure voltage, current, and power factor with 3 phase ammeter, supporting 3.0 technology and 2.4GHz external antenna frequency for advanced energy tracking. Real Time Data: Use with the gateway to monitor energy usage via mobile APP, providing 2s data with ±2% accuracy for real-time insights. Easy : Lightweight and compact 3 phase clamp meter for effortless electricity consumption monitoring by connecting the clamp to the power cord. Household Use: Suitable for household use, the smart KWH meter offers 3 phase 4 wire design for real-time monitoring of actual electricity, promoting energy efficiency. Specification: Item Type: 3 Phase Energy Meter Model: PC 321-Z-80-TY For : 2.4GHz IEEE 802.15.4 For Profile: For 3.0 Operating Frequency: 2.4GHz External Antenna Output Power: +20dBm CT Current: 3 x 80A Connection Voltage: 100-240 V Calibration Measuring Accuracy: ≤100W (within ±2W), >100W (within ±2%) Temperature: -20-55℃ Humidity: ≤90% No Condensation Package List: 1 x Smart Meter 1 x User Manual 1 x Antenna 1 x Antenna Base 4 x Accessories Note: The power clamp must be installed and repaired by a qualified person, do not touch the terminal of the device during the test, and turn off all power to the device before installation to ensure your security. Package List 1 x Smart Meter 1 x User Manual 1 x Antenna 1 x Antenna Base 4 x Accessories